import turtle

alpha = turtle.Turtle()

steps = 100
turn = 45

for i in range(steps):
    if i%2==0:
        alpha.pendown()
        alpha.forward(i)
        alpha.right(turn)
        alpha.penup()
alpha.goto(240,0)
alpha.right(180)
for i in range(steps):
    if i%2==1:
        alpha.pendown()
        alpha.forward(i)
        alpha.left(turn)
        alpha.penup()




